diff options
Diffstat (limited to 'drivers/media/tuners/r820t.c')
| -rw-r--r-- | drivers/media/tuners/r820t.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c index 8e040cf9cf13..71159a58860f 100644 --- a/drivers/media/tuners/r820t.c +++ b/drivers/media/tuners/r820t.c @@ -775,6 +775,19 @@ static int r820t_sysfreq_sel(struct r820t_priv *priv, u32 freq, div_buf_cur = 0x30; /* 11, 150u */ filter_cur = 0x40; /* 10, low */ break; + case SYS_DVBC_ANNEX_A: + mixer_top = 0x24; /* mixer top:13 , top-1, low-discharge */ + lna_top = 0xe5; + lna_vth_l = 0x62; + mixer_vth_l = 0x75; + air_cable1_in = 0x60; + cable2_in = 0x00; + pre_dect = 0x40; + lna_discharge = 14; + cp_cur = 0x38; /* 111, auto */ + div_buf_cur = 0x30; /* 11, 150u */ + filter_cur = 0x40; /* 10, low */ + break; default: /* DVB-T 8M */ mixer_top = 0x24; /* mixer top:13 , top-1, low-discharge */ lna_top = 0xe5; /* detect bw 3, lna top:4, predet top:2 */ @@ -957,7 +970,7 @@ static int r820t_set_tv_standard(struct r820t_priv *priv, ext_enable = 0x40; /* r30[6], ext enable; r30[5]:0 ext at lna max */ loop_through = 0x00; /* r5[7], lt on */ lt_att = 0x00; /* r31[7], lt att enable */ - flt_ext_widest = 0x00; /* r15[7]: flt_ext_wide off */ + flt_ext_widest = 0x80; /* r15[7]: flt_ext_wide on */ polyfil_cur = 0x60; /* r25[6:5]:min */ } else if (delsys == SYS_DVBC_ANNEX_A) { if_khz = 5070; @@ -971,6 +984,18 @@ static int r820t_set_tv_standard(struct r820t_priv *priv, lt_att = 0x00; /* r31[7], lt att enable */ flt_ext_widest = 0x00; /* r15[7]: flt_ext_wide off */ polyfil_cur = 0x60; /* r25[6:5]:min */ + } else if (delsys == SYS_DVBC_ANNEX_C) { + if_khz = 4063; + filt_cal_lo = 55000; + filt_gain = 0x10; /* +3db, 6mhz on */ + img_r = 0x00; /* image negative */ + filt_q = 0x10; /* r10[4]:low q(1'b1) */ + hp_cor = 0x6a; /* 1.7m disable, +0cap, 1.0mhz */ + ext_enable = 0x40; /* r30[6]=1 ext enable; r30[5]:1 ext at lna max-1 */ + loop_through = 0x00; /* r5[7], lt on */ + lt_att = 0x00; /* r31[7], lt att enable */ + flt_ext_widest = 0x80; /* r15[7]: flt_ext_wide on */ + polyfil_cur = 0x60; /* r25[6:5]:min */ } else { if (bw <= 6) { if_khz = 3570; @@ -1186,7 +1211,7 @@ static int r820t_read_gain(struct r820t_priv *priv) if (rc < 0) return rc; - return ((data[3] & 0x0f) << 1) + ((data[3] & 0xf0) >> 4); + return ((data[3] & 0x08) << 1) + ((data[3] & 0xf0) >> 4); } #if 0 |